Appearance and Properties: White to grayish white powder, crystal, crystalline powder and/or bulk Density: 1.904 g/cm 3 Boiling point: 324.7 ºC at 760 mmHg Melting point: 131-135 ºC (lit.) Flash point: 150.2 º
Cas:2302-25-2
Min.Order:1 Gram
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Type:Lab/Research institutions
inquiryAs a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:2302-25-2
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryGIHI CHEMICALS exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, GIHI CHEMICALS is your best choice. pls contact with us freely for getting detailed produc
Cas:2302-25-2
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryhigh quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:2302-25-2
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryColorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on
Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
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inquiryProduct Description Product website: http://www.finerchem.com/pro01e
Cas:2302-25-2
Min.Order:1 Gram
FOB Price: $11.0
Type:Lab/Research institutions
inquiry4-Bromo-1H-imidazole Basic information Product Name: 4-Bromo-1H-imidazole Synonyms: 4-BROMO-1H-IMIDAZOLE;4-BROMOIMIDAZOLE;4(or5)-bromo-imidazol;4(or5)-bromoimidazol
Cas:2302-25-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
Cas:2302-25-2
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W
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Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
inquiry1.In No Less 10 years exporting experience. you can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specializ
Cas:2302-25-2
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese
Cas:2302-25-2
Min.Order:1 Gram
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Type:Trading Company
inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
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Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
Appearance:white or light yellow crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:By Se
Cas:2302-25-2
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryJ&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
Cas:2302-25-2
Min.Order:1 Gram
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Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:Colorless to beige crystalline flakes or powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:100g/bottle,1kg/bottle,25kg/drum or as per your req
Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:2302-25-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry4-Bromo-1H-imidazole Basic information Product Name: 4-Bromo-1H-imidazole Synonyms: 4(or5)-bromo-imidazol;4(or5)-bromoimidazole;4-bromo-1h-imidazol;4-BROMO-1H-IMIDAZOLE;4-BROMOIMIDAZOLE;4-bromo-imidazol;4-Bromo-1H-imidazole,98%;1H-Imidazole, 4
Cas:2302-25-2
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryWe Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O
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Cas:2302-25-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry4-BromoimidazoleAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
Cas:2302-25-2
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquiryTAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
Conditions | Yield |
---|---|
With sodium sulfite In water at 110℃; for 6h; | 89% |
With sodium sulfite In water at 110℃; for 6h; | 85% |
With water; sodium sulfite | |
With sodium sulfite Heating; |
2,4-dibromo-1H-imidazole
4-bromo-1 H-imidazole
Conditions | Yield |
---|---|
With sodium sulfite In water at 100℃; for 1h; Sealed tube; Microwave irradiation; Green chemistry; | 71% |
With water; sodium sulfite |
1H-imidazole
A
4,5-dibromo-1H-imidazole
B
2,4,5-tribromo-1H-imidazole
C
4-bromo-1 H-imidazole
Conditions | Yield |
---|---|
With N-Bromosuccinimide In N,N-dimethyl-formamide at 20℃; for 48h; Yields of byproduct given; | A n/a B n/a C 41% |
With N-Bromosuccinimide In N,N-dimethyl-formamide at 20℃; for 48h; | A 6% B 3% C 32% |
1H-imidazole
1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione
A
4-bromo-1 H-imidazole
B
5,5-dimethyl-imidazolidine-2,4-dione
Conditions | Yield |
---|---|
With sulfuric acid In water at 0℃; for 0.0833333h; | A 21% B 33% |
Conditions | Yield |
---|---|
With potassium (aquo)(2‑chlorobenzoato)oxodiperoxo–tungstate(VI) dihydrate; potassium bromide In water; acetonitrile at 20℃; | A 27% B 16% |
Conditions | Yield |
---|---|
With water; sodium sulfite | |
With sodium sulfite In water; isopropyl alcohol Reflux; Large scale; | 3.6 kg |
4-acetyl pyrimidine
A
4-bromo-1 H-imidazole
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 24.9℃; Equilibrium constant; |
5-bromo-1(3)H-imidazole-4-carboxylic acid-(4-bromo-anilide)
4-bromo-1 H-imidazole
Conditions | Yield |
---|---|
at 150℃; |
4-bromo-1 H-imidazole
Conditions | Yield |
---|---|
With hydrogen bromide at 150℃; im Rohr; |
2,4-dibromo-1H-imidazole
4-bromo-1 H-imidazole
hydrogenchloride
5-bromo-1(3)H-imidazole-4-sulfonic acid
A
4-bromo-1 H-imidazole
B
sulfuric acid
Conditions | Yield |
---|---|
at 170℃; |
2,4,5-tribromo-1H-imidazole
water
A
1H-imidazole
B
4,5-dibromo-1H-imidazole
C
4-bromo-1 H-imidazole
Conditions | Yield |
---|---|
With N-Bromosuccinimide In water at 28.44℃; Kinetics; Thermodynamic data; Temperature; | |
With bromine In water at 28.44℃; Kinetics; |
Conditions | Yield |
---|---|
for 0.5h; | 99% |
4-bromo-1 H-imidazole
di-tert-butyl dicarbonate
4-bromo-imidazole-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
With triethylamine In dichloromethane for 2h; | 98% |
With dmap In tetrahydrofuran at 25℃; for 1.5h; | 95% |
With dmap In dichloromethane at 20℃; for 12h; | 93% |
4-bromo-1 H-imidazole
1,1,1,3,3,3-hexamethyl-disilazane
4-bromo-1-(tetramethylsilyl)-1H-imidazole
Conditions | Yield |
---|---|
for 6h; Heating; | 95% |
4-bromo-1 H-imidazole
3,5-dimethoxyphenylboronic acid
4(5)-(3,5-dimethoxyphenyl)-1H-imidazole
Conditions | Yield |
---|---|
With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; N-benzyl-N,N,N-triethylammonium chloride; cesium fluoride In water; toluene for 96h; Suzuki-Miyaura Coupling; Inert atmosphere; Reflux; | 95% |
4-bromo-1 H-imidazole
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 5h; | 93% |
4-bromo-1 H-imidazole
4-methoxybenzenediazonium tetrafluoroborate
4-bromo-2-(4-methoxyphenylazo)imidazole
Conditions | Yield |
---|---|
With sodium carbonate In water at 0 - 5℃; for 1h; | 92% |
4-bromo-1 H-imidazole
4-fluoro-3-methylphenyl boronic acid
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In 1,2-dimethoxyethane; ethanol; water at 150℃; for 0.833333h; Inert atmosphere; Microwave irradiation; | 92% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 100℃; for 24h; Microwave irradiation; | 92% |
4-bromo-1 H-imidazole
(2-trimethylethylsilylethoxy)methyl chloride
4-bromo-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-imidazole
Conditions | Yield |
---|---|
Stage #1: 4-bromo-1 H-imidazole With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 0.5h; Inert atmosphere; Stage #2: (2-trimethylethylsilylethoxy)methyl chloride In tetrahydrofuran; mineral oil at 0 - 20℃; for 18h; Inert atmosphere; | 91.3% |
Stage #1: 4-bromo-1 H-imidazole With sodium hydride In tetrahydrofuran; mineral oil at 0 - 20℃; for 0.5h; Stage #2: (2-trimethylethylsilylethoxy)methyl chloride In tetrahydrofuran; mineral oil at 20℃; for 2h; | 1.36 g |
4-bromo-1 H-imidazole
4-methoxyphenylboronic acid
4-(4-methoxyphenyl)-1H-imidazole
Conditions | Yield |
---|---|
With N-benzyl-N,N,N-triethylammonium chloride; cesium fluoride; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride In water; toluene at 110℃; for 66h; Suzuki-Miyaura reaction; | 91% |
With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; N-benzyl-N,N,N-triethylammonium chloride; cesium fluoride In water; toluene for 96h; Suzuki-Miyaura Coupling; Inert atmosphere; Reflux; | 75% |
4-bromo-1 H-imidazole
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen; water-d2 In water-d2 at 100℃; for 1h; | 91% |
Conditions | Yield |
---|---|
With caesium carbonate In N,N-dimethyl-formamide at 90℃; | 90.6% |
4-bromo-1 H-imidazole
naphthalene-2-boronic acid
4(5)-(2-naphthyl)-1H-imidazole
Conditions | Yield |
---|---|
With N-benzyl-N,N,N-triethylammonium chloride; cesium fluoride; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride In water; toluene at 110℃; for 72h; Suzuki-Miyaura reaction; | 90% |
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